AP CALCULUS BC CERTIFICATION
EVALUATION FULL QUESTIONS AND
VERIFIED ANSWERS TEST BANK
●● Alternate definition of derivative
Answer: lim x→a[f(x)-f(a)]/(x-a)
●● When f '(x) is positive, f(x) is
Answer: increasing
●● When f '(x) is negative, f(x) is
Answer: decreasing
●● When f '(x) changes from negative to positive, f(x) has a
Answer: relative minimum
●● When f '(x) changes from positive to negative, f(x) has a
Answer: relative maximum
●● When f '(x) is increasing, f(x) is
Answer: concave up
,●● When f '(x) is decreasing, f(x) is
Answer: concave down
●● When f '(x) changes from increasing to decreasing or decreasing to
increasing, f(x) has a
Answer: point of inflection
●● When is a function not differentiable
Answer: corner, cusp, vertical tangent, discontinuity
●● Chain Rule
Answer: f '(g(x)) g'(x)
●● Particle is moving to the right/up
Answer: velocity is positive
●● Particle is moving to the left/down
Answer: velocity is negative
●● absolute value of velocity
Answer: speed
, ●● y = sin⁻¹(x), y' =
Answer: y' = 1/√(1 - x²)
●● y = cos⁻¹(x), y' =
Answer: y' = -1/√(1 - x²)
●● y = tan⁻¹(x), y' =
Answer: y' = 1/(1 + x²)
●● y = cot⁻¹(x), y' =
Answer: y' = -1/(1 + x²)
●● y = a^x, y' =
Answer: y' = a^x ln(a)
●● y = ln(x), y' =
Answer: y' = 1/x
●● y = log (base a) x, y' =
Answer: y' = 1/(x lna)
EVALUATION FULL QUESTIONS AND
VERIFIED ANSWERS TEST BANK
●● Alternate definition of derivative
Answer: lim x→a[f(x)-f(a)]/(x-a)
●● When f '(x) is positive, f(x) is
Answer: increasing
●● When f '(x) is negative, f(x) is
Answer: decreasing
●● When f '(x) changes from negative to positive, f(x) has a
Answer: relative minimum
●● When f '(x) changes from positive to negative, f(x) has a
Answer: relative maximum
●● When f '(x) is increasing, f(x) is
Answer: concave up
,●● When f '(x) is decreasing, f(x) is
Answer: concave down
●● When f '(x) changes from increasing to decreasing or decreasing to
increasing, f(x) has a
Answer: point of inflection
●● When is a function not differentiable
Answer: corner, cusp, vertical tangent, discontinuity
●● Chain Rule
Answer: f '(g(x)) g'(x)
●● Particle is moving to the right/up
Answer: velocity is positive
●● Particle is moving to the left/down
Answer: velocity is negative
●● absolute value of velocity
Answer: speed
, ●● y = sin⁻¹(x), y' =
Answer: y' = 1/√(1 - x²)
●● y = cos⁻¹(x), y' =
Answer: y' = -1/√(1 - x²)
●● y = tan⁻¹(x), y' =
Answer: y' = 1/(1 + x²)
●● y = cot⁻¹(x), y' =
Answer: y' = -1/(1 + x²)
●● y = a^x, y' =
Answer: y' = a^x ln(a)
●● y = ln(x), y' =
Answer: y' = 1/x
●● y = log (base a) x, y' =
Answer: y' = 1/(x lna)